25.07
sat
sat
Day
84°F
W 15 mph
Precip.
26%
26%
Night
81°F
NW 9 mph
Precip.
13%
13%
26.07
sun
sun
Day
86°F
W 11 mph
Precip.
13%
13%
Night
81°F
W 13 mph
Precip.
17%
17%
27.07
mon
mon
Day
84°F
W 16 mph
Precip.
57%
57%
Night
81°F
W 16 mph
Precip.
19%
19%
28.07
tue
tue
Day
84°F
W 17 mph
Precip.
24%
24%
Night
81°F
W 19 mph
Precip.
55%
55%
29.07
wed
wed
Day
84°F
W 21 mph
Precip.
18%
18%
Night
81°F
W 19 mph
Precip.
21%
21%
30.07
thu
thu
Day
82°F
W 18 mph
Precip.
36%
36%
Night
81°F
W 15 mph
Precip.
30%
30%
31.07
fri
fri
Day
84°F
W 16 mph
Precip.
21%
21%
Night
81°F
W 11 mph
Precip.
43%
43%
sea water
temperature
temperature
| Castries |
monthly
weather
weather
| Castries |
current
weather
weather
| Castries |
14 days
forecast
forecast
| Castries |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 82.8°F. The highest and lowest sea temperatures during the month were 83.3°F and 82.6°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 84.5°F. The highest and lowest sea temperatures during the month were 85.1°F and 83.8°F.
Air temperature in Castries, °F
Precipitation total in Castries, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Castries
Castries on a weather map
24 Hours Forecast
Castries
Local time: 06:47
July 25, saturday
0900
82°F
W
16 mph
16 mph
1200
84°F
W
15 mph
15 mph
1500
84°F
W
15 mph
15 mph
1800
82°F
W
14 mph
14 mph
2100
81°F
W
14 mph
14 mph
July 26, sunday
0000
81°F
NW
9 mph
9 mph
0300
79°F
W
7 mph
7 mph
0600
79°F
W
6 mph
6 mph
